Finding the Fourth Proportional to 2,403.09, 3,605.72 and 1,171.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.09 : 3,605.72 = 1,171.62 : x
2. Step 2: Convert to fraction form
   2,403.09/3,605.72 = 1,171.62/x
3. Step 3: Cross multiply
   2,403.09x = 3,605.72 × 1,171.62
4. Step 4: Simplify right side
   2,403.09x = 4,224,527.81
5. Step 5: Solve for x
   x = 4,224,527.81/2,403.09
6. Step 6: Final answer
   x = 1,757.96